package com.webserver.http;

import java.util.HashMap;
import java.util.Map;

/*
*
* 记录所有http协议相关的规定内容
* */
public class HttpContext {
/*
* 所有资源后缀与头信息Content-Type的值得对应关系
* key:资源后缀名
* value:Content-Type头对应的值
* */
    private static Map<String,String> mimeMapping = new HashMap<>();

    static {
        initMimeMapping();
    }

    private static void initMimeMapping(){
        mimeMapping.put("html","text/html");
        mimeMapping.put("css","text/css");
        mimeMapping.put("js","application/javascript");
        mimeMapping.put("png","image/png");
        mimeMapping.put("jpg","image/jpeg");
        mimeMapping.put("gif","image/gif");
    }
    /*
    * 根据资源后缀名获取头信息Content-Type的值
    * @param ext
    * @return
    * */
    public static String getMimeType(String ext){
        return mimeMapping.get(ext);
    }

}
